The phrase "wide scope" means having a large range or variety of things that are included or considered. It refers to a wide or extensive area or subject that is covered or encompassed. Full definition
Online insurance comes with a much wider scope of enjoying discounts than offline insurance. (policybazaar.com)
The intuition they give is that taxes on carbon have a «narrow» base compared to the much wider scope for taxes on labor and capital. (instituteforenergyresearch.org)
These have a very wide scope, applying as much to consumer cases — foreign motor accidents, holiday injuries and the like — as to commercial disputes. (lawyer-monthly.com)